<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>11-表单控件</title>
</head>
<body>
<!--


-->

<form action="http://www.baidu.com" method="get">
    <input type="text" name="username" placeholder="请输入用户名">
    <input type="text" name="password" placeholder="请输入密码">
    <input type="submit" value="登录">
</form>


</body>
</html>